FR2178175A1 - - Google Patents

Info

Publication number
FR2178175A1
FR2178175A1 FR7311331A FR7311331A FR2178175A1 FR 2178175 A1 FR2178175 A1 FR 2178175A1 FR 7311331 A FR7311331 A FR 7311331A FR 7311331 A FR7311331 A FR 7311331A FR 2178175 A1 FR2178175 A1 FR 2178175A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7311331A
Other languages
French (fr)
Other versions
FR2178175B1 (ko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Glass Works
Original Assignee
Corning Glass Works
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Corning Glass Works filed Critical Corning Glass Works
Publication of FR2178175A1 publication Critical patent/FR2178175A1/fr
Application granted granted Critical
Publication of FR2178175B1 publication Critical patent/FR2178175B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01413—Reactant delivery systems
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01413—Reactant delivery systems
    • C03B37/0142—Reactant deposition burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
    • C03B37/01473—Collapsing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes
    • C03B37/01493—Deposition substrates, e.g. targets, mandrels, start rods or tubes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/016—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by a liquid phase reaction process, e.g. through a gel phase
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01876—Means for heating tubes or rods during or immediately prior to deposition, e.g. electric resistance heaters
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01884—Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes
    • C03B37/01892—Deposition substrates, e.g. tubes, mandrels
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/26—Parabolic or graded index [GRIN] core profile
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/80—Feeding the burner or the burner-heated deposition site
    • C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
    • C03B2207/87—Controlling the temperature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
FR7311331A 1972-03-30 1973-03-29 Expired FR2178175B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00239626A US3823995A (en) 1972-03-30 1972-03-30 Method of forming light focusing fiber waveguide
AT608273A AT360191B (de) 1972-03-30 1973-07-10 Verfahren zur herstellung von licht- fokussierenden, optischen gegenstaenden mit einem in radialer richtung unterschiedlichen brechungsindex

Publications (2)

Publication Number Publication Date
FR2178175A1 true FR2178175A1 (ko) 1973-11-09
FR2178175B1 FR2178175B1 (ko) 1976-05-07

Family

ID=25602775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7311331A Expired FR2178175B1 (ko) 1972-03-30 1973-03-29

Country Status (8)

Country Link
US (1) US3823995A (ko)
JP (2) JPS604142B2 (ko)
AT (1) AT360191B (ko)
CA (1) CA988790A (ko)
DE (1) DE2313203B2 (ko)
FR (1) FR2178175B1 (ko)
GB (1) GB1416387A (ko)
NL (1) NL172947C (ko)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318120A1 (fr) * 1975-07-17 1977-02-11 Int Standard Electric Corp Methode de fabrication de guides d'ondes a fibres optiques
FR2322104A1 (fr) * 1975-08-28 1977-03-25 Heraeus Schott Quarzschmelze Procede pour la production d'un semi-produit pour la fabrication d'un guide de lumiere optique
FR2331799A1 (fr) * 1975-11-14 1977-06-10 Int Standard Electric Corp Fibre optique a deux verres en couches alternees d'epaisseur variable pour produire un pseudo gradient d'indice
FR2401108A1 (fr) * 1977-08-26 1979-03-23 Corning Glass Works Revetement de carbone pour element de depart de realisation de guides d'ondes optiques
FR2417477A1 (fr) * 1978-02-21 1979-09-14 Corning Glass Works Procede d'etirage de guides d'ondes optiques en verre
FR2446264A1 (fr) * 1979-01-10 1980-08-08 Quartz & Silice Procede de preparation d'une preforme pour guide d'onde optique
FR2488872A1 (fr) * 1980-08-22 1982-02-26 Nippon Telegraph & Telephone Procede de production d'un materiau de base en forme de baguette pour fibre de transmission optique

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4983453A (ko) * 1972-12-14 1974-08-10
US3884550A (en) * 1973-01-04 1975-05-20 Corning Glass Works Germania containing optical waveguide
FR2220475B1 (ko) * 1973-03-08 1977-08-12 Quartz & Silice
DE2463016C2 (de) * 1973-08-21 1982-05-06 International Standard Electric Corp., 10022 New York, N.Y. Verfahren zur Herstellung eines Glasfaser-Lichtleiters
JPS59454B2 (ja) * 1973-09-22 1984-01-06 住友電気工業株式会社 光伝送用ファイバ母材の製造方法
JPS50110342A (ko) * 1974-02-07 1975-08-30
US4909816A (en) * 1974-02-22 1990-03-20 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber fabrication and resulting product
US4217027A (en) * 1974-02-22 1980-08-12 Bell Telephone Laboratories, Incorporated Optical fiber fabrication and resulting product
DE2419786B2 (de) * 1974-04-24 1979-09-06 Jenaer Glaswerk Schott & Gen., 6500 Mainz Lichtleiter
NL165134B (nl) * 1974-04-24 1980-10-15 Nippon Telegraph & Telephone Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt.
JPS50151158A (ko) * 1974-05-23 1975-12-04
US3932162A (en) * 1974-06-21 1976-01-13 Corning Glass Works Method of making glass optical waveguide
JPS5136962A (ko) * 1974-09-24 1976-03-29 Sumitomo Electric Industries
US3904268A (en) * 1974-11-15 1975-09-09 Corning Glass Works Optical waveguide having optimal index gradient
JPS5842441B2 (ja) * 1974-12-20 1983-09-20 日本電信電話株式会社 コウガクセンイノ セイゾウホウホウ
JPS51131638A (en) * 1975-05-13 1976-11-16 Nippon Telegr & Teleph Corp <Ntt> Multiple electric conductor transmitter
GB1550820A (en) * 1975-07-04 1979-08-22 Standard Telephones Cables Ltd Optical fibre manufacture
US4116653A (en) * 1975-07-04 1978-09-26 International Standard Electric Corporation Optical fiber manufacture
US4140505A (en) * 1976-07-12 1979-02-20 International Standard Electric Corporation Method of manufacturing a limited mode optical fiber
JPS5229234A (en) * 1975-08-29 1977-03-04 Sumitomo Electric Ind Ltd Optical fiber
DE2546162B1 (de) * 1975-10-15 1976-09-23 Jenaer Glaswerk Schott & Gen Lichtleitfaser mit Brechungsindexgradient zur Nachrichtenuebertragung
US3966446A (en) * 1975-10-23 1976-06-29 Bell Telephone Laboratories, Incorporated Axial fabrication of optical fibers
JPS5276045A (en) * 1975-12-20 1977-06-25 Fujikura Ltd Optical transmission path
US4076378A (en) * 1976-03-08 1978-02-28 American Optical Corporation Tapered fiber optic array
US4038062A (en) * 1976-03-25 1977-07-26 Bell Telephone Laboratories, Incorporated Method and apparatus for introducing geometrical perturbations in optical fiber waveguides
JPS52121341A (en) * 1976-04-06 1977-10-12 Nippon Telegr & Teleph Corp <Ntt> Production of optical fiber base materials and production apparatus fo r the same
GB1559097A (en) * 1976-06-01 1980-01-16 Standard Telephones Cables Ltd Optical fibre manufacture
US4125388A (en) * 1976-12-20 1978-11-14 Corning Glass Works Method of making optical waveguides
US4198223A (en) * 1977-05-17 1980-04-15 International Telephone And Telegraph Corporation Continuous fiber fabrication process
US4253863A (en) * 1977-06-07 1981-03-03 International Telephone And Telegraph Corporation Apparatus for mass producing fiber optic preforms and optic fibers
US4276072A (en) * 1977-06-07 1981-06-30 International Telephone And Telegraph Corporation Optical fiber fabrication
CA1106710A (en) * 1977-06-22 1981-08-11 Michael G. Blankenship Method of making optical devices
US4204851A (en) * 1977-06-23 1980-05-27 Corning Glass Works Directing glass forming constituents against a lateral surface parallel to the axis of rotation of a starting member to form a monolithic blank for an optical waveguide
GB2002342B (en) * 1977-07-27 1982-06-30 Sumitomo Electric Industries Process for producing a glass member
JPS5927728B2 (ja) * 1977-08-11 1984-07-07 日本電信電話株式会社 煤状ガラスロッドの製造方法
US4179187A (en) * 1977-08-12 1979-12-18 Corning Glass Works Multiple mode waveguide having cylindrical perturbations
US4334903A (en) * 1977-08-29 1982-06-15 Bell Telephone Laboratories, Incorporated Optical fiber fabrication
US4358181A (en) * 1977-09-29 1982-11-09 Corning Glass Works Gradient index optical waveguide and method of making
US4243398A (en) * 1978-02-09 1981-01-06 Nippon Electric Co., Ltd. Method of producing dielectric diffraction gratings or dielectric multilayer interference filters
US4154592A (en) * 1978-02-21 1979-05-15 Corning Glass Works Method of drawing optical filaments
FR2429040A1 (fr) * 1978-06-23 1980-01-18 Editions Filmees Procede de fabrication de preforme pour fibres optiques
US4229070A (en) * 1978-07-31 1980-10-21 Corning Glass Works High bandwidth optical waveguide having B2 O3 free core and method of fabrication
US4230396A (en) * 1978-07-31 1980-10-28 Corning Glass Works High bandwidth optical waveguides and method of fabrication
US4203744A (en) * 1979-01-02 1980-05-20 Corning Glass Works Method of making nitrogen-doped graded index optical waveguides
US4212660A (en) * 1979-03-22 1980-07-15 Corning Glass Works Method for making multiple mode waveguide having cylindrical perturbations
US4233052A (en) * 1979-04-16 1980-11-11 Corning Glass Works Carbon coating for a starting member used in producing optical waveguides
US4298366A (en) * 1979-07-13 1981-11-03 Times Fiber Communications, Inc. Graded start rods for the production of optical waveguides
JPS5678804A (en) * 1979-11-30 1981-06-29 Fujitsu Ltd Focusing optical fiber and its production
US4302230A (en) * 1980-04-25 1981-11-24 Bell Telephone Laboratories, Incorporated High rate optical fiber fabrication process using thermophoretically enhanced particle deposition
US4344670A (en) * 1980-05-01 1982-08-17 Corning Glass Works Optical waveguide soot preform with reduced inner layer stress and method of making
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
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FR2322104A1 (fr) * 1975-08-28 1977-03-25 Heraeus Schott Quarzschmelze Procede pour la production d'un semi-produit pour la fabrication d'un guide de lumiere optique
FR2331799A1 (fr) * 1975-11-14 1977-06-10 Int Standard Electric Corp Fibre optique a deux verres en couches alternees d'epaisseur variable pour produire un pseudo gradient d'indice
FR2401108A1 (fr) * 1977-08-26 1979-03-23 Corning Glass Works Revetement de carbone pour element de depart de realisation de guides d'ondes optiques
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FR2446264A1 (fr) * 1979-01-10 1980-08-08 Quartz & Silice Procede de preparation d'une preforme pour guide d'onde optique
US4265649A (en) * 1979-01-10 1981-05-05 Saint-Gobain Industries Method for preparing a preform for optical waveguides
FR2488872A1 (fr) * 1980-08-22 1982-02-26 Nippon Telegraph & Telephone Procede de production d'un materiau de base en forme de baguette pour fibre de transmission optique

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Publication number Publication date
JPS5498625A (en) 1979-08-03
ATA608273A (de) 1980-05-15
US3823995A (en) 1974-07-16
DE2313203A1 (de) 1973-10-18
AT360191B (de) 1980-12-29
NL172947B (nl) 1983-06-16
JPS604142B2 (ja) 1985-02-01
DE2313203B2 (de) 1977-08-11
CA988790A (en) 1976-05-11
JPS4910056A (ko) 1974-01-29
NL7304379A (ko) 1973-10-02
NL172947C (nl) 1986-02-17
FR2178175B1 (ko) 1976-05-07
GB1416387A (en) 1975-12-03

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